From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EBFF5D46BFB for ; Wed, 28 Jan 2026 20:53:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8253710E770; Wed, 28 Jan 2026 20:53:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="cDKL6FcS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id D881C10E76F; Wed, 28 Jan 2026 20:53:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769633613; x=1801169613; h=date:from:to:cc:subject:message-id:reply-to:references: in-reply-to:mime-version; bh=/TZumobF42D1VvR5epxA0jogBltXJp8G6kyoTijXKr4=; b=cDKL6FcSBXqE1uabeNMfyABSec35aiw9yalf6FhtlJuGu8JJ9iyPUprj dtRvGBSgzNHnnGjzZ5n+f3+9RA1Y/B5H6/o5LF3cezMLM4ZjJopcdrVUQ YoktcpV7AjBJQoWFo7lS5xhcsNLdez7572r8SvXVDu5YTPYEEs/GgYXl7 iHyyMs2YyqazdMRZG0RQIZvJdPI2k07ixEU5gxz5bNTYBbdlVaFJqz4Dq 3zFhuqIdFgXRMHQAccfLBXmAxLoXcRFXyCRad+deAZtqaYIrj9ZAK/qCD mMQvgwi4C5CqlUICNU80xJMG0i6e5lm6kW/6/5DuEijrD+WDKyvGoH3bE Q==; X-CSE-ConnectionGUID: eGGVggv5SFCZum5Jlm4Vvw== X-CSE-MsgGUID: V6VJM4i3Qoq5GyXDrJaFPQ== X-IronPort-AV: E=McAfee;i="6800,10657,11685"; a="74482465" X-IronPort-AV: E=Sophos;i="6.21,258,1763452800"; d="scan'208";a="74482465" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2026 12:53:33 -0800 X-CSE-ConnectionGUID: eRsoVpvYR+Wi/onW5x0xwQ== X-CSE-MsgGUID: gWk4pghUS2iQtE6JTFb3sA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,258,1763452800"; d="scan'208";a="212917128" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by orviesa004.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2026 12:53:32 -0800 Received: from ORSMSX902.amr.corp.intel.com (10.22.229.24) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35; Wed, 28 Jan 2026 12:53:31 -0800 Received: from ORSEDG903.ED.cps.intel.com (10.7.248.13) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35 via Frontend Transport; Wed, 28 Jan 2026 12:53:31 -0800 Received: from CY7PR03CU001.outbound.protection.outlook.com (40.93.198.4) by edgegateway.intel.com (134.134.137.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.35; Wed, 28 Jan 2026 12:53:31 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=qxkmea5b3yv90kTkxfRLzVJjjmouvWIgYq0Pp4sJTxvOlsWVSX3pyGMbifyk/HE8vUMMBu2RBIcsoNgg2Nopo+6FZzsxj3VakY1ga2dpNjxMnbqbCTJXO0fk/hvpwPvCkX1y89tNBRaDyKhbLoSKTJ1DdPV/rFlqSPQs/NCiHbPfDgiSSsiVHejcgRO1hd2GevoLud57sBcVWFh5wGqzVfiNcHgt2y1Crj0p6phWQ9/mxcAZUHs4Lnl5DrmC4yFwq2K78hW4dlzD8VZYiCry6wpH//YasWdX5vZLtqbeo4975AKLzXgVem8SmyREMP0aPfq8AQ/XdgyTiLnFQWExxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=6ohiIUoUs49uiGEwkWWBZX/OONkztHvlwzo3x9d8H2o=; b=JtQYy2QXqWuVEnk/YkBizwage2Kd22LkIspwdRzagCXRgKEOh5VazT18uzxbIFmJ7FfqgLuMjAT03qcgggViqxCnchlEbW5e9c+zGcyPuB0ZHPkiJYCVAbmFU72mY1HKEUFdj4q7LMpcDAz28r7G7wMFxSqVnBIN5kt+FmUAoF9sN5ZMB2TkIrAZbryvcnk3V68zGqLiCUJpZ7P6UezEujLnf5N8yZa//x7Zo6HXhFsBp3z+DZ2hUYz79ry2rrJGeGiE2fqD8/ugEiGYtI/RGGSPbZgF6zDZrvepu1ITD6EFC4w+uFYBDdqgD1AjdUNfp4heBZsIEM0a/KmB9hw00A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from SJ0PR11MB4845.namprd11.prod.outlook.com (2603:10b6:a03:2d1::10) by CO1PR11MB5139.namprd11.prod.outlook.com (2603:10b6:303:95::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9564.7; Wed, 28 Jan 2026 20:53:29 +0000 Received: from SJ0PR11MB4845.namprd11.prod.outlook.com ([fe80::8900:d137:e757:ac9f]) by SJ0PR11MB4845.namprd11.prod.outlook.com ([fe80::8900:d137:e757:ac9f%3]) with mapi id 15.20.9520.003; Wed, 28 Jan 2026 20:53:29 +0000 Date: Wed, 28 Jan 2026 22:53:24 +0200 From: Imre Deak To: Ankit Nautiyal CC: , , , Chaitanya Kumar Borah Subject: Re: [PATCH 16/16] drm/i915/display: Extend the max dotclock limit to WCL and pre PTL platforms Message-ID: References: <20260128140636.3527799-1-ankit.k.nautiyal@intel.com> <20260128140636.3527799-17-ankit.k.nautiyal@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20260128140636.3527799-17-ankit.k.nautiyal@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland X-ClientProxiedBy: GVYP280CA0035.SWEP280.PROD.OUTLOOK.COM (2603:10a6:150:f9::28) To SJ0PR11MB4845.namprd11.prod.outlook.com (2603:10b6:a03:2d1::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR11MB4845:EE_|CO1PR11MB5139:EE_ X-MS-Office365-Filtering-Correlation-Id: 65a44898-7b66-40d9-ff1f-08de5eaf4a9a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?20G+n6bfBdO8uwaVgatZvNzoqq0z+Q+9RP39nnssxV9Gpe+SpyqXWBPdgs5R?= =?us-ascii?Q?rAz6SP4GAyIMni4Xu34GDF9fVbr2ICLfHm6bMcERHEPRmW7adRhcWg4DuQVI?= =?us-ascii?Q?CzioNojPkWZc8r17eJsHQBBZb7K0fbIYZycdV617/1FDdH9UA1oCJjAcbM07?= =?us-ascii?Q?lc+cxEFELWIT5BCTq8AdKhReFsZoF6sTOSY3J8Ft4ebwhj+DIItK9VBIifCn?= =?us-ascii?Q?uYvgLHr1Z+kCJSg6DLV/Oa1Xi2owaYhzl0lBiL680MwWEjOlsag1KhKBbwzh?= =?us-ascii?Q?hD6XtkAgJ7QcL6Yw/iB+hHpDAREE+YsO/QI6jknj8gA3YsYZuw8rRyndChk5?= =?us-ascii?Q?WZZSGt8oXTDO/ToSS6FhkdmdglEd3nOGikrPIjkK1hlSWhSqm3ANZDsROETK?= =?us-ascii?Q?rQwywW/HEuqnLlDBWfNzh9nnDpcIG+xai/uJt0cnyNIKK929BGg94EnVnLon?= =?us-ascii?Q?W70E2GNnkD3+3Ik/QoTGnjzHVz/7Mfb1O6fUXA8rAZnhLfzHC4tFj+rpGzG+?= =?us-ascii?Q?IAxNprW8D6ZbUxiApV27xR90vHIvWNDt39rtf1rwyREap8nXcWYzTitkQGfC?= =?us-ascii?Q?/4OabmlRlTPYrL8WFgn3AyLSuK8tM1cXLkJbSZ4x3bepT6ogmesbb69QH62s?= =?us-ascii?Q?OgX7ow1vx1ZLZPY74GRdPBkpuud7Psrvbo2evM44otX7cfOqWSzXIjfS+etV?= =?us-ascii?Q?Am85HWviCLot2fL2E3S5UPh2HFIXV/Y8gwZ/3n0WeXteJRWQwHFgkq+fh2W6?= =?us-ascii?Q?pUcnZxz4FBoEoM4omAPzEZViI7Sj7rtGAn89hJBD877EwsA6YYeokXXbcXsP?= =?us-ascii?Q?NcV6URXD/JNL40OGQF1hX2if4LyTlSHkNU8YhC/zAJowd+am7K/7wbY7qGCb?= =?us-ascii?Q?04kTMb5gGgxIOf4AXwk0TL4QGkSNhUDi/ZrgU6/qxK4jp918uVBE4+0KRhbz?= =?us-ascii?Q?sqRtGIsL+0iZGbLxNptYzCd9El9pJWPEnTnrdWNBc7c4FcTMjYn5K7ug6/l7?= =?us-ascii?Q?FnLW1KB4Ff2EI5btM7a71ZweDHQRmVmloK6fg7ypqNVPGsAi2pnTREBzaWAV?= =?us-ascii?Q?FarKEyQ8JWQSvbncxIk+2UOwUoFKrVnKUyypQk4IRlbe36UOUs2VS9jSOk26?= =?us-ascii?Q?FeF6u180+6MVAtN3hws5cRKoWGlgKD4FA7y2/zMAAPlaTAch02HF5cyBk0eP?= =?us-ascii?Q?HZTizQl/eXPUa52rTS1roJTNYlmQWSi3HLXwvdADqPB50gGlIbEunX49n1N+?= =?us-ascii?Q?vII22yRDVSOvHr+YgFK9959QXr+DYosh+yp4uXHaaSGkzD2GYkN5cGff1WQy?= =?us-ascii?Q?0cVnn1Mls9GLpIbIFnq8kU3f8/UF7VWDKvbb7dbCjkR0y2TkEGQr9LeyIZSg?= =?us-ascii?Q?XGOaRdPqWmnLS0miguB4B8fOXgBJhG5JkzYkRJgFMFUvGxzbyBfGjvohG+Y5?= =?us-ascii?Q?PB9yi5WJzqBCDan2uFvlw8s3M7JX84sFQBQo1tag8NK2sFmvcMkwMZ0EaXJV?= =?us-ascii?Q?kqYxztcUUvQI9qnpw3H7ICcsJ8S6ODy7TEAWOwlFD7+Ehbzrc81n4FZrhmiw?= =?us-ascii?Q?RhArnV35E5yfuSRUbaQ=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ0PR11MB4845.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(1800799024)(376014)(366016); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ahC01tuIhB8EyIFx9QsgvtQuUIvg/FsDAl3+xiRHmGqubaIlt8n0pBvFx1WD?= =?us-ascii?Q?i9OR4zSCumbnsuNdH1Guq98dlNok4aBOZ6RE0Hcx4MtmhrGpM/pbQKozTotH?= =?us-ascii?Q?HuKybpJUeG2mAbp3ekIvJskwHui5F8TYAqvxOqZwkSkH+8735Q76jodXvUMw?= =?us-ascii?Q?1rW2GZEw1ob+EWtlsFGdU2lrrjz4ha5XLeeO67uyTcxnxSKUh8je77P8TZlP?= =?us-ascii?Q?88fGQL2lfiKLELg/sUkiE8J6/Zkphr/lJUCeC+NMyUbYVMn6ojYmA8d31fxQ?= =?us-ascii?Q?5N0Wzknw5YfG2SLlS748EUk95lMRxScvHYqZE3Nh9a9qMWYLqsM7y21D7H8d?= =?us-ascii?Q?A0sshrQQGDKabjWzbMzwwOA9QAVpmqTLmMgK7tdQq7DAcUK+SYUuPmqRjL76?= =?us-ascii?Q?h0nZ4bS0OWCbdTjJo2plp7+A/BzHlOVhTDvyJ7KijLdp+WDHBx+ULXLT6f6M?= =?us-ascii?Q?xMgbGS05D16t8mju1KUuZBseqpH6UpNtFd95cwO6NXlIui5B2WUa8TOIlqc3?= =?us-ascii?Q?InbOApatVntC0c5iCyiRQJk+ILMh82YXR3xeZByn3ydPx8aYG/8a46KKq9mB?= =?us-ascii?Q?aAxIXQR6DlZjM0RiYK9YmZeU6gouz4FqFYu2snj/21WOkW76pWrQCTmToURF?= =?us-ascii?Q?DUxnVvIx/KYHhbhfJ+5WgJZYaeLxq2l1x2J/w2cAytUUEfj0hmwVWeZTqXOg?= =?us-ascii?Q?TeiGIzw1L79X8t2YoMS3q3kf1epGAB+SwsvxX14wyPLOL361gYCgziQtV5Lb?= =?us-ascii?Q?N2hLht34zeIJJV49xyC9sAxRb5LGs9034qnucAIx5moDs/c3TZuQJLjV3pPB?= =?us-ascii?Q?i957maxjNHYbao9KuzqZbmi2bYOQGeKsz+RuxKxo0FLELEZF9MX6Ue3o3LYM?= =?us-ascii?Q?4UzX8w8zL/GjhQHuxY4eQxkrVTcowHefHGnpBPmEyvbb4XB2GIJ9OUv/wNBv?= =?us-ascii?Q?DW0uQ7VL65dFRWzbGpAxScNt4xqX9v57QllGktcgXMZjQivPx/N89nLVXe/G?= =?us-ascii?Q?kdXDr5FWjZsdHv6D3d+gwVjy33qDPLqeRnfJsMI5I4eAq5dfF4J6LPAENIrs?= =?us-ascii?Q?/nm09865pLngeWWt4iaP42qRk0Qn4ds5iIhIiCmgjsHhVq5mO1RoXCUyPB9k?= =?us-ascii?Q?GLBBAwfRzKmaIVmSAu3zmKNiJSVQMT5pGDMxY2hsXW04nAcluZLnFOFI8xT6?= =?us-ascii?Q?MUZiNYKy4YLd0TioYG4YmXlWzQME/oTi/Q1YbLjmVezomQ39kRsis+XkF7MD?= =?us-ascii?Q?JETqX3dNRYHYirVC24d/62iK1/eXqb7ZA4+ON/F3K6W5zBBaG5EYAwg6ze6H?= =?us-ascii?Q?BJMrc1ZQMuQdr18boExqZtkCwp6KKUzEjMPy6a/VbU90OcglRwDXwTORoPiq?= =?us-ascii?Q?tPdl8z49uhOY3o02EbmU/8BNRri80JVh7l98oMuYNXwLvk6hn/07PSEmilHY?= =?us-ascii?Q?mXOihnLVTKTaxRkWQRFJJ2eX8hGnD8+gAq+saJP+7bmM+UR+Xxpgg1LzX7qc?= =?us-ascii?Q?nUGQgPKdRH64z4P3JiMCLW6mB0usSov9tmNCyKIoXBr4XhILkz0eG6QvV568?= =?us-ascii?Q?t3JNjl7EKwjSz9d3rWEzvVFcXzmnIKtIYdJhgpYSHUD4EiErgAK74MDq+Q17?= =?us-ascii?Q?ywhxQzN99G9bzl5R5sROd5W85cqH0C9TUycQxWuk2oUthQnxCWMY9SGoKECE?= =?us-ascii?Q?jy391gHEeNe3Bs8NMB7VBGv5neKOheCEiMW8LzObdRw+5vhQBEY+b22qxnvI?= =?us-ascii?Q?bZ1/ngc9iA=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 65a44898-7b66-40d9-ff1f-08de5eaf4a9a X-MS-Exchange-CrossTenant-AuthSource: SJ0PR11MB4845.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jan 2026 20:53:29.8201 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pg8uFAAno1UUp91sgrCWbimLtsh164HrszTv2tETCD4VrMvmTXEudwmkpi3N+s4UDVqllGUTScd5HsaJzDIY9g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB5139 X-OriginatorOrg: intel.com X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: imre.deak@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, Jan 28, 2026 at 07:36:36PM +0530, Ankit Nautiyal wrote: > From: Chaitanya Kumar Borah > > Add upper limit check for pixel clock for WCL and pre PTL platforms. > > BSpec: 49199, 68912 > Signed-off-by: Chaitanya Kumar Borah > Signed-off-by: Ankit Nautiyal Reviewed-by: Imre Deak I'd like to ask to merge this one patch separately from the patchset once it's clarified why the limits are not used in Windows for ICL-MTL. > --- > drivers/gpu/drm/i915/display/intel_display.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c > index 9cfeb5530fd8..2cd950b57918 100644 > --- a/drivers/gpu/drm/i915/display/intel_display.c > +++ b/drivers/gpu/drm/i915/display/intel_display.c > @@ -8006,8 +8006,14 @@ int intel_max_uncompressed_dotclock(struct intel_display *display) > int max_dotclock = display->cdclk.max_dotclk_freq; > int limit = max_dotclock; > > - if (DISPLAY_VER(display) >= 30) > + if (DISPLAY_VERx100(display) == 3002) > + limit = 937500; > + else if (DISPLAY_VER(display) >= 30) > limit = 1350000; > + else if (DISPLAY_VER(display) >= 13) > + limit = 1200000; > + else > + limit = 1100000; > > return min(max_dotclock, limit); > } > -- > 2.45.2 >